100pcs 125khz Wholesale New Rfid Proximity Id Card Token Tags Key Keyfobs Access Control Key Card Token For Door Locker (Blue)

NOTED:THIS CARD IS EM CARD ,ONLY READER ,IT CANT WRITE AND COPY. Operating Frequency: 125khz Each one has Unique ID Number on it Compatible with all ID door access devices or readers Contactless transmission Size: 35mm (L) x 27mm (W) x 4mm (H) Weight: 4g each Water and weather resistant Color: blue green black red yellow gray Quantity: 100pcw per package noted:this key tags can't copier.